Finding the Fourth Proportional to 155,847.11, 215,070.00 and 84,226.96
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Solution
The fourth proportional to 155,847.11, 215,070.00 and 84,226.96 is: 116,233.74
Step by Step Solution
- Step 1: Write the proportion equation
155,847.11 : 215,070.00 = 84,226.96 : x - Step 2: Convert to fraction form
155,847.11/215,070.00 = 84,226.96/x - Step 3: Cross multiply
155,847.11x = 215,070.00 × 84,226.96 - Step 4: Simplify right side
155,847.11x = 18,114,691,866.07 - Step 5: Solve for x
x = 18,114,691,866.07/155,847.11 - Step 6: Final answer
x = 116,233.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.